2 require_once("boot.php");
4 function handle_pubsubhubbub() {
9 // We'll push to each subscriber that has push > 0,
10 // i.e. there has been an update (set in notifier.php).
12 $r = q("SELECT * FROM `push_subscriber` WHERE `push` > 0");
15 $params = get_feed_for($a, '', $rr['nickname'], $rr['last_update'], 0, true);
16 $hmac_sig = hash_hmac("sha1", $params, $rr['secret']);
18 $headers = array("Content-type: application/atom+xml",
19 sprintf("Link: <%s>;rel=hub," .
21 $a->get_baseurl() . '/pubsubhubbub',
23 "X-Hub-Signature: sha1=" . $hmac_sig);
25 logger('POST '. print_r($headers, true)."\n".$params, LOGGER_DEBUG);
27 post_url($rr['callback_url'], $params, $headers);
28 $ret = $a->get_curl_code();
30 if ($ret >= 200 && $ret <= 299) {
31 logger('successfully pushed to '.$rr['callback_url']);
33 // set last_update to "now", and reset push=0
34 $date_now = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
35 q("UPDATE `push_subscriber` SET `push` = 0, last_update = '%s' WHERE id = %d",
40 logger('error when pushing to '.$rr['callback_url'].' HTTP: '.$ret);
42 // we use the push variable also as a counter, if we failed we
43 // increment this until some upper limit where we give up
44 $new_push = intval($rr['push']) + 1;
46 if ($new_push > 30) // OK, let's give up
49 q("UPDATE `push_subscriber` SET `push` = %d, last_update = '%s' WHERE id = %d",
60 function pubsubpublish_run(&$argv, &$argc){
68 @include(".htconfig.php");
69 require_once("include/dba.php");
70 $db = new dba($db_host, $db_user, $db_pass, $db_data);
71 unset($db_host, $db_user, $db_pass, $db_data);
74 require_once('include/items.php');
75 require_once('include/pidfile.php');
77 load_config('config');
78 load_config('system');
80 $lockpath = get_lockpath();
81 if ($lockpath != '') {
82 $pidfile = new pidfile($lockpath, 'pubsubpublish');
83 if($pidfile->is_already_running()) {
84 logger("Already running");
85 if ($pidfile->running_time() > 9*60) {
87 logger("killed stale process");
88 // Calling a new instance
89 proc_run('php',"include/pubsubpublish.php");
95 $a->set_baseurl(get_config('system','url'));
100 $pubsubpublish_id = intval($argv[1]);
102 $pubsubpublish_id = 0;
104 handle_pubsubhubbub();
110 if (array_search(__file__,get_included_files())===0){
111 pubsubpublish_run($_SERVER["argv"],$_SERVER["argc"]);